Piscinas is a comune (municipality) in the Province of Carbonia-Iglesias in the Italian region Sardinia, located about 40 kilometres (25 mi) southwest of Cagliari and about 15 kilometres (9 mi) southeast of Carbonia, in the Sulcis-Iglesiente traditional subregion. Piscinas is famous for its dunes. They are the tallest dunes in Europe with the most beautiful beaches of this zone of the Sardinia called Costa Verde (The Green Coast) located in the southwest of island. Piscinas borders the following municipalities: Giba, Masainas, Santadi, Teulada, Tratalias, Villaperuccio. References ^ All demographics and other statistics: Italian statistical institute Istat.